Key ring

ABSTRACT

This present invention is related to a key ring for keeping a key. The key ring includes a ring body, which has cut planes at both ends thereof. A concave portion ( 30 ) is formed at a predetermined place of the key ring ( 10 ) and is curved in a direction and in a body with the key ring ( 10 ). One of the cut planes is projected toward an inner side of the concave portion ( 30 ), and the key ( 40 ) is inserted into the ring body ( 10 ). With this configuration, it is easy to keep and take out a key by less force by forming a concave portion at a predetermined position of a ring body made of a metallic material and making one cut plane at one end of the concave portion so as to be projected toward an inner side of the concave portion and the other cut plane so as to correspond to the other end of the concave portion.

FIELD OF THE INVENTION

[0001] The present invention is related to a key ring. In particular, the invention is related to a key ring for making it easy to join and disjoin a key by less strength and to prevent hurt of a user, by forming a concave portion at a predetermined position of a ring body and making one cut plane at one end of the concave portion so as to be projected toward an inner side of the concave portion and the other cut plane so as to correspond to the other end of the concave portion.

BACKGROUND OF THE INVENTION

[0002] In general, a key ring is to take charge of various types of keys more conveniently. The key ring is fabricated by winding a metal bar of a small diameter so as to be folded double, with its circumference maintained constantly. Such a key ring will be more fully described with reference to accompanying drawings.

[0003]FIG. 1 is a perspective view of a conventional key ring, and FIG. 2 is a front view of the key ring illustrated in FIG. 1.

[0004] As illustrated in FIGS. 1 and 2, a ring body 100 of a key ring has a relatively less diameter and is fabricated using a metal rob of a predetermined length.

[0005] With the ring body 100, a curved portion 200 is formed at a predetermined place of the ring body 100, and cut planes 110 are formed at both ends of the ring body 100, respectively.

[0006] And, if the ring body 100 is wound centering around the curved portion 200 of the ring body 100 so as to be folded double, with its ring shape maintained, the cut planes 110 are close to both upper and lower sides of the curved portion 200, respectively. Thus a key 300 is inserted through a space between the ring body 100 and each cut plane 110.

[0007] That is, if the ring body 100 of a predetermined length is wound and double folded without change of its ring shape, the cut planes 110 thereof are placed at upper and lower sides of the curved portion 200, respectively. In order to keep or take out the key 300, a user opens a space between the ring body 100 and one cut plane 110 and then inserts the key 300 through the opened space by force.

[0008] According to the above-described key ring, the ring body 100 is formed by a metal rob without increase of its diameter and length, the curved portion 200 is formed at a predetermined place of the ring body 100, and the ring body 100 is wound centering around the curved portion 200 so as to be folded double without change of its ring shape. As a result, the ring body 100 is formed without change of its ring shape. At this time, the cut planes 110 are close to the upper and lower sides of the curved portion 200.

[0009] In this state, if a user opens a space between the curved portion 200 and one cut plane 110 by force (e.g., using own fingernail), the cut plane 110 is widened toward an outer side, and the key 300 is inserted through the opened part.

[0010] In order to take out the key 300 from the ring body 100 of the key ring, the user widens a space between the curved portion 200 and the cut plane 110 by force (e.g., using own fingernail), and then takes out the key 300 from the ring body 100.

[0011] A problem of the conventional key ring, however, is that user's fingernail easily gets hurt when providing a space between the curved portion and the cut plane by force to insert and take out the key.

SUMMARY OF THE INVENTION

[0012] It is an object of this invention to provide a key ring for making it easy to keep and take out a key by less force and preventing hurt of a user.

[0013] In order to obtain a foregoing object, a key ring is provided which includes a ring body having cut planes at both ends and keeps a key. In the key ring, a concave part is bent toward one side in a body with the ring body and is formed at a predetermined place of the ring body. One of the cut planes is projected toward an inner side of the concave part. The key is inserted by use of the projected cut plane.

BRIEF DESCRIPTION OF THE DRAWINGS

[0014]FIG. 1 is a cross-sectional view of a convention key ring;

[0015]FIG. 2 is a front view of a key ring in FIG. 1;

[0016]FIG. 3 is a cross-sectional view of a key ring according to the present invention;

[0017]FIG. 4 is a front view of a key ring in FIG. 3;

[0018]FIGS. 5A and 5B are schematic diagrams of a key ring according to the invention when keeping and taking out a key.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] A preferred embodiment of the present invention will be more fully described below with reference to accompanying drawings.

[0020]FIG. 3 is a perspective view of a key ring according to the present invention, FIG. 4 is a front view of a key ring in FIG. 3, and FIGS. 5A and 5B are schematic diagrams of a key ring according to the invention when keeping and taking out a key.

[0021] As illustrated in FIGS. 3 and 4, a key ring of the present invention includes a ring body 10, which is made of a metallic material and has a relatively small diameter and a predetermined length.

[0022] The ring body 10 has a concave part 30 that is bent toward one side and is formed at a predetermined place of the ring body 10. Cut planes 20 are formed at both ends of the ring body 10.

[0023] When the ring body 10 is wound without change of its ring shape so as to be folded double centering around the concave part 30, the cut planes 20 are close to inner and outer sides of the concave part 30, respectively. A key 40 is inserted or taken out therethrough.

[0024] That is, if the ring body 10 of the predetermined length is wound without change of its ring shape so as to be folded, one cut plane 20 is projected toward an inner side of the concave part 30 and the other cut plane 20 becomes close to an outer side of the concave part 30. At this time, it is preferred that the one cut plane 20 is projected with a minimum length.

[0025] According to the key ring of the present invention, the ring body 10 is formed by use of a metal rob having predetermined diameter and length, the concave part 30 is formed at a predetermined place of the ring body 10, and the ring body 10 is wound without change of its ring shape so as to be folded double centering around the concave part 30. This makes the ring body 10 formed without change of its ring shape. At this time, the cut planes 20 are close to the

[0026] +inner and outer sides of the concave part 30, respectively. That is, one cut plane 20 is projected toward an inner side of the concave part 30 and the other cut plane 20 is close to an outer side of the concave part 30.

[0027] In this state, as illustrated in FIGS. 5A and 5B, a key 40 is inserted into the cut plane 20 projected toward the inner side of the concave part 30, and then the projected cut plane 20 is, put out to an outer side. The key 40 is entirely inserted and kept by shifting the key 40 along an outside diameter of the cut plane 20.

[0028] At this time, by minimizing a projected length of the cut plane 20, it is possible to minimize hooking of the projected cut plane at user's clothing. And, to put out the key 40 from the ring body 10 of the key ring, the key 40 is inserted into the projected cut plane 20 and is drawn inside. Thus the key 40 is easily separated from the ring body 10.

INDUSTRIAL APPLICABILITY

[0029] By the key ring according to the present invention, a concave part is formed at a predetermined place of a ring body made of a metal material. The ring-shaped body is formed such that one cut plane at one end of the ring body is projected to an inner side of the concave part and the other cut plane corresponds to an outer side of the concave part. It is easy to keep and take out a key through the projected cut plane by less strength. 

1. A key ring for keeping a key comprising: a ring body 10 having cut planes 20 at both ends; and a concave part 30 formed at a predetermined place of the ring body 10 and bent toward one side, wherein one of the cut planes 20 is projected toward an inner side of the concave part 30 so that the key 40 is inserted into the ring body. 